Louisville (Michaele Lane) KY, US: 38.1825, -85.5744
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Feb. 26, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | N/A | 10.0 μg/m3 (10) | 5.8 μg/m3 (25) | 34.0 | |
| Feb. 26, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | 9.5 μg/m3 (9) | 6.1 μg/m3 (26) | 35.0 | |
| Feb. 26, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | 9.6 μg/m3 (9) | 6.4 μg/m3 (27) | 35.0 | |
| Feb. 26, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | N/A | 10.5 μg/m3 (10) | 6.6 μg/m3 (28) | 34.0 | |
| Feb. 26, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | 11.2 μg/m3 (11) | 7.2 μg/m3 (31) | 35.0 | |
| Feb. 26, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (33) | N/A | 10.1 μg/m3 (10) | 6.8 μg/m3 (29) | 33.0 | |
| Feb. 26, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 ppb (29) | N/A | 10.2 μg/m3 (10) | 5.9 μg/m3 (25) | 29.0 | |
| Feb. 26, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 ppb (27) | N/A | 10.0 μg/m3 (10) | 5.5 μg/m3 (23) | 27.0 | |
| Feb. 26, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (31) | N/A | 9.6 μg/m3 (9) | 5.8 μg/m3 (25) | 31.0 | |
| Feb. 26, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (33) | N/A | 9.2 μg/m3 (9) | 5.4 μg/m3 (23) | 33.0 | |
| Feb. 26, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (31) | N/A | 9.4 μg/m3 (9) | 5.3 μg/m3 (23) | 31.0 | |
| Feb. 26, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (31) | N/A | 8.9 μg/m3 (9) | 5.2 μg/m3 (22) | 31.0 | |
| Feb. 26, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 9.3 μg/m3 (9) | 4.7 μg/m3 (20) | 20.0 | |
| Feb. 26, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 10.5 μg/m3 (10) | 5.5 μg/m3 (23) | 23.0 | |
| Feb. 26, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 8.6 μg/m3 (8) | 4.3 μg/m3 (18) | 18.0 | |
| Feb. 26, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 7.2 μg/m3 (7) | 3.7 μg/m3 (16) | 16.0 | |
| Feb. 25, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 8.2 μg/m3 (8) | 3.2 μg/m3 (14) | 14.0 | |
| Feb. 25, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 μg/m3 (7) | 2.7 μg/m3 (12) | 12.0 | |
| Feb. 25, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 6.1 μg/m3 (6) | 3.0 μg/m3 (13) | 13.0 | |
| Feb. 25, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 6.7 μg/m3 (7) | 3.3 μg/m3 (14) | 14.0 | |
| Feb. 25, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 8.4 μg/m3 (8) | 4.3 μg/m3 (18) | 18.0 | |
| Feb. 25, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 9.5 μg/m3 (9) | 4.8 μg/m3 (20) | 20.0 | |
| Feb. 25, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 9.9 μg/m3 (10) | 5.1 μg/m3 (22) | 22.0 | |
| Feb. 25, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 11.9 μg/m3 (12) | 6.1 μg/m3 (26) | 26.0 | |
| Feb. 25, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.4 μg/m3 (14) | 8.0 μg/m3 (34) | 34.0 | |
| Feb. 25, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 16.3 μg/m3 (16) | 10.5 μg/m3 (44) | 44.0 | |
| Feb. 25, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 23.2 μg/m3 (22) | 18.6 μg/m3 (65) | 65.0 | |
| Feb. 25, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 25.5 μg/m3 (24) | 20.6 μg/m3 (69) | 69.0 | |
| Feb. 25, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 25.8 μg/m3 (24) | 20.4 μg/m3 (69) | 69.0 | |
| Feb. 25, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 25.5 μg/m3 (24) | 19.7 μg/m3 (67) | 67.0 | |
| Feb. 25, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 25.4 μg/m3 (24) | 19.7 μg/m3 (67) | 67.0 | |
| Feb. 25, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 23.3 μg/m3 (22) | 18.1 μg/m3 (64) | 64.0 | |
| Feb. 25, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 μg/m3 (23) | 17.7 μg/m3 (63) | 63.0 | |
| Feb. 25, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 24.5 μg/m3 (23) | 17.9 μg/m3 (64) | 64.0 | |
| Feb. 25, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 28.2 μg/m3 (27) | 18.7 μg/m3 (65) | 65.0 | |
| Feb. 25, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 21.8 μg/m3 (21) | 14.1 μg/m3 (56) | 56.0 | |
| Feb. 25, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 11.2 μg/m3 (11) | 4.6 μg/m3 (20) | 20.0 | |
| Feb. 25, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 13.2 μg/m3 (13) | 5.0 μg/m3 (21) | 21.0 | |
| Feb. 25, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 13.7 μg/m3 (13) | 5.9 μg/m3 (25) | 25.0 | |
| Feb. 25, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 20.1 μg/m3 (19) | 9.7 μg/m3 (41) | 41.0 | |
| Feb. 24, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 20.5 μg/m3 (19) | 9.8 μg/m3 (41) | 41.0 | |
| Feb. 24, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 20.1 μg/m3 (19) | 8.8 μg/m3 (37) | 37.0 | |
| Feb. 24, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 μg/m3 (18) | 7.7 μg/m3 (33) | 33.0 | |
| Feb. 24, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 16.5 μg/m3 (16) | 6.7 μg/m3 (28) | 28.0 | |
| Feb. 24, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 ppb (47) | N/A | 14.7 μg/m3 (14) | 6.1 μg/m3 (26) | 47.0 | |
| Feb. 24, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 13.1 μg/m3 (13) | 6.0 μg/m3 (25) | 25.0 | |
| Feb. 24, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 13.5 μg/m3 (13) | 6.1 μg/m3 (26) | 26.0 | |
| Feb. 24, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 15.8 μg/m3 (15) | 6.0 μg/m3 (25) | 25.0 | |
| Feb. 24, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 15.2 μg/m3 (15) | 5.5 μg/m3 (23) | 23.0 | |
| Feb. 24, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 12.7 μg/m3 (12) | 4.7 μg/m3 (20) | 20.0 | |
| Feb. 24, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 15.9 μg/m3 (15) | 4.9 μg/m3 (21) | 21.0 | |
| Feb. 24, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 16.4 μg/m3 (16) | 5.1 μg/m3 (22) | 22.0 | |
| Feb. 24, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 13.7 μg/m3 (13) | 4.6 μg/m3 (20) | 20.0 | |
| Feb. 24, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 15.4 μg/m3 (15) | 4.6 μg/m3 (20) | 20.0 | |
| Feb. 24, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 18.6 μg/m3 (18) | 4.9 μg/m3 (21) | 21.0 | |
| Feb. 24, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 17.5 μg/m3 (17) | 5.1 μg/m3 (22) | 22.0 | |
| Feb. 24, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 19.3 μg/m3 (18) | 5.0 μg/m3 (21) | 21.0 | |
| Feb. 24, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 17.6 μg/m3 (17) | 5.3 μg/m3 (23) | 23.0 | |
| Feb. 24, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 17.9 μg/m3 (17) | 7.5 μg/m3 (32) | 32.0 | |
| Feb. 24, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 13.5 μg/m3 (13) | 5.7 μg/m3 (24) | 24.0 | |
| Feb. 24, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 μg/m3 (15) | 5.2 μg/m3 (22) | 22.0 | |
| Feb. 24, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 19.7 μg/m3 (19) | 8.4 μg/m3 (36) | 36.0 | |
| Feb. 24, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 μg/m3 (19) | 6.0 μg/m3 (25) | 25.0 | |
| Feb. 24, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 17.4 μg/m3 (17) | 5.1 μg/m3 (22) | 22.0 | |
| Feb. 23, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 μg/m3 (12) | 3.1 μg/m3 (13) | 13.0 | |
| Feb. 23, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 8.4 μg/m3 (8) | 1.7 μg/m3 (8) | 8.0 | |
| Feb. 23, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 8.4 μg/m3 (8) | 1.8 μg/m3 (8) | 8.0 | |
| Feb. 23, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 μg/m3 (9) | 1.8 μg/m3 (8) | 9.0 | |
| Feb. 23, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 11.7 μg/m3 (11) | 2.8 μg/m3 (12) | 12.0 | |
| Feb. 23, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 12.5 μg/m3 (12) | 3.3 μg/m3 (14) | 14.0 | |
| Feb. 23, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 20.5 μg/m3 (19) | 4.1 μg/m3 (18) | 19.0 | |
| Feb. 23, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 25.5 μg/m3 (24) | 4.6 μg/m3 (20) | 24.0 | |
| Feb. 23, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 18.5 μg/m3 (18) | 4.6 μg/m3 (20) | 20.0 | |
| Feb. 23, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.2 μg/m3 (14) | 4.8 μg/m3 (20) | 20.0 | |
| Feb. 23, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 9.9 μg/m3 (10) | 4.2 μg/m3 (18) | 18.0 | |
| Feb. 23, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 9.7 μg/m3 (9) | 4.1 μg/m3 (18) | 18.0 | |
| Feb. 23, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 9.3 μg/m3 (9) | 3.9 μg/m3 (17) | 17.0 | |
| Feb. 23, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 7.8 μg/m3 (8) | 3.8 μg/m3 (16) | 16.0 | |
| Feb. 23, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 μg/m3 (8) | 3.8 μg/m3 (16) | 16.0 | |
| Feb. 23, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 8.6 μg/m3 (8) | 3.7 μg/m3 (16) | 16.0 | |
| Feb. 23, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 7.6 μg/m3 (8) | 3.7 μg/m3 (16) | 16.0 | |
| Feb. 23, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 μg/m3 (8) | 4.3 μg/m3 (18) | 18.0 | |
| Feb. 23, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 8.7 μg/m3 (9) | 5.3 μg/m3 (23) | 23.0 | |
| Feb. 23, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 12.2 μg/m3 (12) | 8.6 μg/m3 (36) | 36.0 | |
| Feb. 23, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.7 μg/m3 (14) | 11.0 μg/m3 (46) | 46.0 | |
| Feb. 23, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 19.7 μg/m3 (19) | 15.9 μg/m3 (59) | 59.0 | |
| Feb. 23, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 26.4 μg/m3 (25) | 19.9 μg/m3 (68) | 68.0 | |
| Feb. 23, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 24.6 μg/m3 (23) | 18.6 μg/m3 (65) | 65.0 | |
| Feb. 22, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 21.3 μg/m3 (20) | 15.8 μg/m3 (59) | 59.0 | |
| Feb. 22, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 20.8 μg/m3 (20) | 16.8 μg/m3 (61) | 61.0 | |
| Feb. 22, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 23.9 μg/m3 (23) | 18.8 μg/m3 (66) | 66.0 | |
| Feb. 22, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 21.6 μg/m3 (20) | 18.1 μg/m3 (64) | 64.0 | |
| Feb. 22, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 19.6 μg/m3 (19) | 16.0 μg/m3 (60) | 60.0 | |
| Feb. 22, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 18.8 μg/m3 (18) | 15.2 μg/m3 (58) | 58.0 | |
| Feb. 22, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 19.1 μg/m3 (18) | 15.8 μg/m3 (59) | 59.0 | |
| Feb. 22, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 18.9 μg/m3 (18) | 16.2 μg/m3 (60) | 60.0 | |
| Feb. 22, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 18.5 μg/m3 (18) | 15.4 μg/m3 (58) | 58.0 | |
| Feb. 22, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 19.9 μg/m3 (19) | 15.8 μg/m3 (59) | 59.0 | |
| Feb. 22, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 μg/m3 (17) | 14.8 μg/m3 (57) | 57.0 | |
| Feb. 22, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.3 μg/m3 (14) | 11.0 μg/m3 (46) | 46.0 | |
| Feb. 22, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 9.7 μg/m3 (9) | 7.0 μg/m3 (30) | 30.0 | |
| Feb. 22, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 8.6 μg/m3 (8) | 5.4 μg/m3 (23) | 23.0 | |
| Feb. 22, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 9.8 μg/m3 (10) | 5.9 μg/m3 (25) | 25.0 | |
| Feb. 22, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 9.9 μg/m3 (10) | 5.7 μg/m3 (24) | 24.0 | |
| Feb. 22, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 9.9 μg/m3 (10) | 6.1 μg/m3 (26) | 26.0 | |
| Feb. 22, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 10.3 μg/m3 (10) | 6.4 μg/m3 (27) | 27.0 | |
| Feb. 22, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 μg/m3 (10) | 5.8 μg/m3 (25) | 25.0 | |
| Feb. 22, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 8.7 μg/m3 (9) | 5.3 μg/m3 (23) | 23.0 | |
| Feb. 22, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 9.2 μg/m3 (9) | 5.3 μg/m3 (23) | 23.0 | |
| Feb. 22, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 8.9 μg/m3 (9) | 5.5 μg/m3 (23) | 23.0 | |
| Feb. 22, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 10.4 μg/m3 (10) | 5.9 μg/m3 (25) | 25.0 | |
| Feb. 22, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 11.2 μg/m3 (11) | 6.4 μg/m3 (27) | 27.0 | |
| Feb. 21, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 10.3 μg/m3 (10) | 6.4 μg/m3 (27) | 27.0 | |
| Feb. 21, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 12.1 μg/m3 (12) | 7.0 μg/m3 (30) | 30.0 | |
| Feb. 21, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 13.2 μg/m3 (13) | 7.9 μg/m3 (33) | 33.0 | |
| Feb. 21, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 15.6 μg/m3 (15) | 9.8 μg/m3 (41) | 41.0 | |
| Feb. 21, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 15.4 μg/m3 (15) | 10.9 μg/m3 (46) | 46.0 | |
| Feb. 21, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 16.3 μg/m3 (16) | 10.7 μg/m3 (45) | 45.0 | |
| Feb. 21, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 16.1 μg/m3 (15) | 11.3 μg/m3 (48) | 48.0 | |
| Feb. 21, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 17.1 μg/m3 (16) | 11.8 μg/m3 (50) | 50.0 | |
| Feb. 21, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 17.9 μg/m3 (17) | 12.9 μg/m3 (53) | 53.0 | |
| Feb. 21, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 17.5 μg/m3 (17) | 14.1 μg/m3 (56) | 56.0 | |
| Feb. 21, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 17.3 μg/m3 (17) | 14.4 μg/m3 (56) | 56.0 | |
| Feb. 21, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 17.1 μg/m3 (16) | 14.6 μg/m3 (57) | 57.0 | |
| Feb. 21, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 17.4 μg/m3 (17) | 14.9 μg/m3 (57) | 57.0 | |
| Feb. 21, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 17.5 μg/m3 (17) | 14.8 μg/m3 (57) | 57.0 | |
| Feb. 21, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 17.4 μg/m3 (17) | 14.3 μg/m3 (56) | 56.0 | |
| Feb. 21, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 17.7 μg/m3 (17) | 14.5 μg/m3 (57) | 57.0 | |
| Feb. 21, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 17.8 μg/m3 (17) | 14.9 μg/m3 (57) | 57.0 | |
| Feb. 21, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 17.8 μg/m3 (17) | 14.7 μg/m3 (57) | 57.0 | |
| Feb. 21, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 μg/m3 (21) | 17.8 μg/m3 (63) | 63.0 | |
| Feb. 21, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 20.3 μg/m3 (19) | 16.9 μg/m3 (62) | 62.0 | |
| Feb. 21, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 22.7 μg/m3 (22) | 18.9 μg/m3 (66) | 66.0 | |
| Feb. 21, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 24.6 μg/m3 (23) | 20.5 μg/m3 (69) | 69.0 | |
| Feb. 21, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 μg/m3 (27) | 22.2 μg/m3 (73) | 73.0 | |
| Feb. 21, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 23.3 μg/m3 (22) | 17.7 μg/m3 (63) | 63.0 | |
| Feb. 20, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.5 μg/m3 (14) | 11.3 μg/m3 (48) | 48.0 | |
| Feb. 20, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.3 μg/m3 (14) | 11.1 μg/m3 (47) | 47.0 | |
| Feb. 20, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.1 μg/m3 (14) | 10.8 μg/m3 (46) | 46.0 | |
| Feb. 20, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 13.9 μg/m3 (13) | 10.3 μg/m3 (43) | 43.0 | |
| Feb. 20, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.8 μg/m3 (14) | 10.9 μg/m3 (46) | 46.0 | |
| Feb. 20, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 16.6 μg/m3 (16) | 12.7 μg/m3 (53) | 53.0 | |
| Feb. 20, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 18.3 μg/m3 (17) | 14.2 μg/m3 (56) | 56.0 | |
| Feb. 20, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 18.1 μg/m3 (17) | 14.7 μg/m3 (57) | 57.0 | |
| Feb. 20, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 μg/m3 (25) | 20.2 μg/m3 (69) | 69.0 | |
| Feb. 20, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 34.3 μg/m3 (32) | 29.0 μg/m3 (87) | 87.0 | |
| Feb. 20, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 40.1 μg/m3 (38) | 34.4 μg/m3 (98) | 98.0 | |
| Feb. 20, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 μg/m3 (34) | 31.1 μg/m3 (91) | 91.0 | |
| Feb. 20, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 36.1 μg/m3 (34) | 30.9 μg/m3 (91) | 91.0 | |
| Feb. 20, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 35.1 μg/m3 (33) | 29.8 μg/m3 (89) | 89.0 | |
| Feb. 20, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 μg/m3 (39) | 36.5 μg/m3 (104) | 104.0 | |
| Feb. 20, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 44.1 μg/m3 (41) | 38.6 μg/m3 (109) | 109.0 | |
| Feb. 20, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 43.8 μg/m3 (41) | 38.1 μg/m3 (108) | 108.0 | |
| Feb. 20, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 44.5 μg/m3 (42) | 37.9 μg/m3 (107) | 107.0 | |
| Feb. 20, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 37.3 μg/m3 (35) | 32.4 μg/m3 (94) | 94.0 | |
| Feb. 20, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 38.1 μg/m3 (36) | 30.8 μg/m3 (91) | 91.0 | |
| Feb. 20, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 35.5 μg/m3 (33) | 28.9 μg/m3 (87) | 87.0 | |
| Feb. 20, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 28.3 μg/m3 (27) | 23.7 μg/m3 (76) | 76.0 | |
| Feb. 20, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 22.6 μg/m3 (21) | 17.7 μg/m3 (63) | 63.0 | |
| Feb. 20, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 20.3 μg/m3 (19) | 15.3 μg/m3 (58) | 58.0 | |
| Feb. 19, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 22.6 μg/m3 (21) | 17.8 μg/m3 (63) | 63.0 | |
| Feb. 19, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 μg/m3 (23) | 18.0 μg/m3 (64) | 64.0 | |
| Feb. 19, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 21.3 μg/m3 (20) | 15.2 μg/m3 (58) | 58.0 | |
| Feb. 19, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 21.4 μg/m3 (20) | 15.1 μg/m3 (58) | 58.0 | |
| Feb. 19, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 25.6 μg/m3 (24) | 18.2 μg/m3 (64) | 64.0 | |
| Feb. 19, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 30.1 μg/m3 (28) | 18.7 μg/m3 (65) | 65.0 | |
| Feb. 19, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 32.1 μg/m3 (30) | 23.1 μg/m3 (75) | 75.0 | |
| Feb. 19, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 33.4 μg/m3 (31) | 24.6 μg/m3 (78) | 78.0 |